vjw0rm | cd345e01247d238120214ea6f636e688fa5b15f37454ff6566bf1ddd77f471be

Analysis

max time kernel
148s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-11-2024 20:36

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General

Target

f44d75390275e2f15ea0111de765cdaede7436331101363ba1db17b74f8cd88e.js
Size

864KB
MD5

fe330e62ee592637466d5def2358afa8
SHA1

62bb2ec1f62e38b9c2605ba661b85ac10cddefe0
SHA256

f44d75390275e2f15ea0111de765cdaede7436331101363ba1db17b74f8cd88e
SHA512

ba59ac6e0070aae34b5cc98b6ba041f21fbbb52cd2e4551bc30a0570aa48175abb2c2aef14886bfc54128d080558e5dfd20f8800f572d7286dfa242c7032a9d2
SSDEEP

6144:Wz3WauGXbuv9ShKeCasIsqo13lmV1+4McaFkJK0zaG5GRJ3t8:Xa7Luv9ShbCaB9o3mvX3aFcae

Score

10^/10

vjw0rm xloader qatv discovery execution loader persistence rat trojan worm

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

qatv

Decoy

sexycurvycool.com

webundefinedstaging.website

gaspeehaze.com

adomnaturals.com

best10canadianreviews.info

nikekogan.com

5537sbishop.info

khonnaisoi.com

cures8t.com

garthoaks.com

belvederepharmagroup.com

chivo.plus

qishanlin.top

ccjon1.com

biz-financeagency.com

bdqimeng88.top

3-little-pigs.com

ord13route.art

webku-trial.xyz

ncgf28.xyz

Signatures

Vjw0rm
Vjw0rm is a remote access trojan written in JavaScript.
trojan worm vjw0rm
Vjw0rm family
vjw0rm
Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader
Xloader family
xloader

Xloader payload 3 IoCs

rat

resource	yara_rule
behavioral2/files/0x0008000000023c70-6.dat	xloader
behavioral2/memory/3516-13-0x0000000000070000-0x0000000000099000-memory.dmp	xloader
behavioral2/memory/648-17-0x0000000000F60000-0x0000000000F89000-memory.dmp	xloader

Blocklisted process makes network request 1 IoCs

flow	pid	Process
67	648	wscript.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	wscript.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\vFloVdiJJT.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\vFloVdiJJT.js	wscript.exe

Executes dropped EXE 1 IoCs

pid	Process
3516	bin.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\00FAYTSXGU = "\"C:\\Users\\Admin\\AppData\\Roaming\\vFloVdiJJT.js\""	wscript.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3516 set thread context of 3396	3516	bin.exe	56
PID 648 set thread context of 3396	648	wscript.exe	56

Command and Scripting Interpreter: JavaScript 1 TTPs
execution

JavaScript
T1059.007
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bin.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wscript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
3516	bin.exe
3516	bin.exe
3516	bin.exe
3516	bin.exe
648	wscript.exe
648	wscript.exe
648	wscript.exe
648	wscript.exe
648	wscript.exe
648	wscript.exe
648	wscript.exe
648	wscript.exe
648	wscript.exe
648	wscript.exe
648	wscript.exe
648	wscript.exe
648	wscript.exe
648	wscript.exe
648	wscript.exe
648	wscript.exe
648	wscript.exe
648	wscript.exe
648	wscript.exe
648	wscript.exe
648	wscript.exe
648	wscript.exe
648	wscript.exe
648	wscript.exe
648	wscript.exe
648	wscript.exe
648	wscript.exe
648	wscript.exe
648	wscript.exe
648	wscript.exe
648	wscript.exe
648	wscript.exe
648	wscript.exe
648	wscript.exe
648	wscript.exe
648	wscript.exe
648	wscript.exe
648	wscript.exe
648	wscript.exe
648	wscript.exe
648	wscript.exe
648	wscript.exe
648	wscript.exe
648	wscript.exe
648	wscript.exe
648	wscript.exe
648	wscript.exe
648	wscript.exe
648	wscript.exe
648	wscript.exe
648	wscript.exe
648	wscript.exe
648	wscript.exe
648	wscript.exe
648	wscript.exe
648	wscript.exe
648	wscript.exe
648	wscript.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
3516	bin.exe
3516	bin.exe
3516	bin.exe
648	wscript.exe
648	wscript.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3516	bin.exe
Token: SeDebugPrivilege	648	wscript.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4884 wrote to memory of 2244	4884	wscript.exe	83
PID 4884 wrote to memory of 2244	4884	wscript.exe	83
PID 4884 wrote to memory of 3516	4884	wscript.exe	84
PID 4884 wrote to memory of 3516	4884	wscript.exe	84
PID 4884 wrote to memory of 3516	4884	wscript.exe	84
PID 3396 wrote to memory of 648	3396	Explorer.EXE	86
PID 3396 wrote to memory of 648	3396	Explorer.EXE	86
PID 3396 wrote to memory of 648	3396	Explorer.EXE	86
PID 648 wrote to memory of 2804	648	wscript.exe	90
PID 648 wrote to memory of 2804	648	wscript.exe	90
PID 648 wrote to memory of 2804	648	wscript.exe	90

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3396
- C:\Windows\system32\wscript.exe
  wscript.exe C:\Users\Admin\AppData\Local\Temp\f44d75390275e2f15ea0111de765cdaede7436331101363ba1db17b74f8cd88e.js
  2⤵
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:4884
- - C:\Windows\System32\wscript.exe
    "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\vFloVdiJJT.js"
    3⤵
    - Drops startup file
    - Adds Run key to start application
    PID:2244
- - C:\Users\Admin\AppData\Local\Temp\bin.exe
    "C:\Users\Admin\AppData\Local\Temp\bin.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:3516
- C:\Windows\SysWOW64\wscript.exe
  "C:\Windows\SysWOW64\wscript.exe"
  2⤵
  - Blocklisted process makes network request
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:648
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\bin.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2804

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

JavaScript

T1059.007

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\bin.exe

Filesize
163KB

MD5
d2bc603d4e0e7011f2b8ba93bcd75293

SHA1
9fb2540d65441714cfcf7e4cc2432a96255f1f6d

SHA256
c70b39662e04b20fb68d78b0dc45694b6cc9c564c7c0535c286ee37fd1730d4b

SHA512
49835fc13efa9406fb7d7b85247013f45eeaa3e3cd9d1ae2a5c867f9231afae08c1051799b3b137f79476065035bedf5953d999da12e43a761dc369dfe90956b

Download Submit
C:\Users\Admin\AppData\Roaming\vFloVdiJJT.js

Filesize
207KB

MD5
039b788c510573fb8d1c19038ad1ec14

SHA1
8c8928d097a198ddf6664d56191f74a9ac404804

SHA256
28b87f27295a93bedcd9aed6896971a7bc9317194968e6f1f532b2b47d972b2d

SHA512
a6755442e1936f61d35a6ce3af5c154fd0288a822029428c7675255aa97186b58185c2e53bdb94580256cc7c62eb6dce03cffff6388fd7942e699a020ecae00e

Download Submit
memory/648-16-0x0000000000BA0000-0x0000000000BC7000-memory.dmp

Filesize
156KB

Download
memory/648-15-0x0000000000BA0000-0x0000000000BC7000-memory.dmp

Filesize
156KB

Download
memory/648-17-0x0000000000F60000-0x0000000000F89000-memory.dmp

Filesize
164KB

Download
memory/3396-14-0x0000000008AD0000-0x0000000008C41000-memory.dmp

Filesize
1.4MB

Download
memory/3396-18-0x0000000008AD0000-0x0000000008C41000-memory.dmp

Filesize
1.4MB

Download
memory/3396-22-0x0000000006F60000-0x0000000007005000-memory.dmp

Filesize
660KB

Download
memory/3516-11-0x0000000001570000-0x00000000018BA000-memory.dmp

Filesize
3.3MB

Download
memory/3516-12-0x000000000008D000-0x000000000008E000-memory.dmp

Filesize
4KB

Download
memory/3516-13-0x0000000000070000-0x0000000000099000-memory.dmp

Filesize
164KB

Download